Cloud computing
Compute on AWS: EC2, Auto Scaling, Lambda and containers
Choose and use AWS compute services: EC2 instances (types, AMIs, EBS, user data, purchasing models), Auto Scaling groups behind a load balancer, Lambda fu…
Guides & insights
A library for curious minds
Cloud computing
Storage on AWS: S3, EBS, EFS and backup
Store data on AWS: Amazon S3 (buckets, storage classes, versioning, lifecycle, encryption, policies and public access blocking), EBS volumes, EFS file sys…
Cloud computing
Databases on AWS: RDS, Aurora, DynamoDB and ElastiCache
Choose a managed database on AWS: RDS and Aurora for relational (multi-AZ, read replicas, backups), DynamoDB for large-scale key-value NoSQL, ElastiCache …
Cloud computing
Monitoring and securing AWS: CloudWatch, CloudTrail, Config, KMS and GuardDuty
Operate and protect an AWS environment: CloudWatch metrics, logs and alarms, the CloudTrail API call log, compliance with AWS Config, encryption with KMS,…
Cloud computing
Infrastructure as Code on AWS: CloudFormation, CDK, Terraform and Well-Architected
Describe and deploy your AWS infrastructure as code with CloudFormation, the CDK or Terraform, automate deployments, and design with the six pillars of th…
Cloud computing
Controlling your AWS costs: pricing models, budgets and optimization
Understand and optimize the AWS bill: cost drivers (compute, storage, data transfer), Cost Explorer, Budgets, cost allocation tags, Savings Plans, Spot in…
Cloud computing
Preparing for the AWS Certified Cloud Practitioner certification (CLF-C02)
Preparation guide for the AWS Certified Cloud Practitioner: exam format, domains and weightings, services to know per domain, a four-week study plan and c…
Cloud computing
Preparing for the AWS Certified Solutions Architect – Associate certification (SAA-C03)
Preparation guide for the AWS Solutions Architect Associate: format, the four domains (security, resilience, performance, costs), reference architectures …
Cloud computing
AWS best practices: security, reliability, costs and operations
The essential best practices for running AWS in production: multi-account organization, identities and least privilege, networking, encryption, high avail…
Proxy & networking
The Traefik API: inspecting configuration and securing the dashboard
Use Traefik's REST API to inspect routers, services, middlewares and entrypoints, expose it securely with api@internal, and use it in verification scripts.
Proxy & networking
Deployment strategies with Traefik: blue/green, canary and rolling
Implement deployment strategies with Traefik: rolling update by the orchestrator, blue/green by switching routers, canary with weighted services (WRR), mi…
Systems & Linux
Linux administration best practices
Checklist for administering Linux servers: accounts and sudo, SSH, updates, systemd services, storage, network and firewall, tested backups, monitoring, a…
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